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Home >> Kia >> 2016 >> Cadenza Base >> Repair and Diagnosis (Single Page) >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis >> DTC C1646: CAN signal error TCU >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN message monitoring
  1. Defective CAN communication leads
  2. Faulty TCU system
Enable conditions
  • IG ON
  • Battery voltage is between 9V and 16V
  • Proper CAN bus function
Threshold value
  • If there is TCU message (gear position, etc) error for 0.5 second
Fail-Safe
  • Automatic release function inhibited
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